Haste

At the beginning of your upkeep, if you have more cards in hand than each opponent, you may sacrifice a Swamp. If you do, return Akuta, Born of Ash from your graveyard to the battlefield.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}: Add {C}.

{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Whenever Banshee of the Dread Choir deals combat damage to a player, that player discards a card.

Basalt Monolith doesn't untap during your untap step.

{T}: Add {C}{C}{C}.

{3}: Untap Basalt Monolith.

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {C}.

{3}, {T}: Add {B} for each basic Swamp you control.

As Caged Sun enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Castle Locthwain enters the battlefield tapped unless you control a Swamp.

{T}: Add {B}.

{1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

Target opponent chooses a number. You may have that player lose that much life. If you don't, that player sacrifices all but that many permanents.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Choose a nonland card name. Search target player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles.

{1}: Look at the top card of your library.

{2}: Reveal the top card of your library. If it's a land card, Cruel Deceiver gains "Whenever Cruel Deceiver deals damage to a creature, destroy that creature" until end of turn. Activate only once each turn.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional {B}.

Enchant player

Whenever enchanted player is attacked, create a 2/2 black Zombie creature token. Each opponent attacking that player does the same.

Enchant player

Whenever enchanted player draws a card, they lose 2 life and you gain 2 life.

Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Enchant player

At the beginning of your upkeep, you may search your library for a Curse card that doesn't have the same name as a Curse attached to enchanted player, put it onto the battlefield attached to that player, then shuffle.

Enchant player

Whenever a player attacks enchanted player with one or more creatures, that attacking player may create a tapped 2/2 black Zombie creature token.

Enchant player

Whenever enchanted player casts a spell, put a spite counter on Curse of Vengeance.

When enchanted player loses the game, you gain X life and draw X cards, where X is the number of spite counters on Curse of Vengeance.

As Curse of Wizardry enters the battlefield, choose a color.

Whenever a player casts a spell of the chosen color, that player loses 1 life.

Target player sacrifices half the permanents they control, rounded down.

Suspend 2--{2}{B}{B} (Rather than cast this card from your hand, you may pay {2}{B}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

At the beginning of each player's upkeep, if Curse of the Cabal is suspended, that player may sacrifice a permanent. If the player does, put two time counters on Curse of the Cabal.

Add {B}{B}{B}.

Return X target creature cards from your graveyard to your hand.

Target player loses 1 life and you gain 1 life.

At the beginning of your upkeep, if you have more cards in hand than each opponent, you may return Death of a Thousand Stings from your graveyard to your hand.

{T}: Add {C}.

{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

As an additional cost to cast this spell, sacrifice a creature.

Search your library for a card, put that card into your hand, then shuffle.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

As Door of Destinies enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.

Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

Flying

Whenever Emissary of Despair deals combat damage to a player, that player loses 1 life for each artifact they control.

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Foul Familiar can't block.

{B}, Pay 1 life: Return Foul Familiar to its owner's hand.

{T}: Add {C}.

{2}, {T}: Each player draws a card, then discards a card.

{4}{B}, {T}: Target player discards two cards. Activate only as a sorcery.

Channel -- {5}{B}{B}, Discard Ghost-Lit Stalker: Target player discards four cards. Activate only as a sorcery.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Flying

{1}, Sacrifice a Spirit: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery.

Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

All creatures get -2/-2 until end of turn.

Splice onto Arcane {3}{B}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Flying

Whenever a creature becomes the target of a spell or ability, destroy that creature.

When Iname, Death Aspect enters the battlefield, you may search your library for any number of Spirit cards, put them into your graveyard, then shuffle.

Flying

Whenever you cast a Spirit or Arcane spell, target player reveals their hand and discards all cards with that spell's mana value.

Black spells you cast cost {1} less to cast.

Flying

Whenever you cast a Spirit or Arcane spell, target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Flying

When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Whenever you cast a Spirit or Arcane spell, target opponent exiles a card from their hand.

{T}: Add {C}.

{4}, {T}: Remove target attacking or blocking creature from combat.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)

Equipped creature gets +1/+1 for each Swamp you control.

Equip {B/P}{B/P} ({B/P} can be paid with either {B} or 2 life.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

{3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Arcane spells you cast cost {1} less to cast.

Spirit creatures you control get +1/+1.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

{T}: Add {C}{C}.

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Myojin of Night's Reach enters the battlefield with a divinity counter on it if you cast it from your hand.

Myojin of Night's Reach has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Night's Reach: Each opponent discards their hand.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Whenever you tap a Swamp for mana, add an additional {B}.

{B}: Nirkana Revenant gets +1/+1 until end of turn.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Rat offering (You may cast this card any time you could cast an instant by sacrificing a Rat and paying the difference in mana costs between this and the sacrificed Rat. Mana cost includes color.)

Whenever a permanent is put into an opponent's graveyard, that player loses 1 life.

At the beginning of your upkeep, you draw a card and you lose 1 life.

{T}: Add {C}.

{T}, Sacrifice a creature: Add {B}{B}.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Other creatures you control have extort. (If a creature has multiple instances of extort, each triggers separately.)

You have no maximum hand size.

{T}: Add {C}.

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

{T}: Add {B}.

{B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

You may exile a black card with mana value X from your hand rather than pay this spell's mana cost.

Target creature gets -X/-X until end of turn.

Target player draws two cards and loses 2 life.

{T}: Add {C}{C}.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Return target creature card from your graveyard to your hand.

Splice onto Arcane {1}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

Swallowing Plague deals X damage to target creature and you gain X life.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Equipped creature gets +1/+1.

Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equip {2}

{T}: Add {C}{C}. Activate only if you control five or more lands.

When you cast this spell, any player may pay half their life, rounded up. If a player does, counter Temporal Extortion.

Take an extra turn after this one.

Menace

Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control.

{T}: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card.

{3}{B}: Untap Tergrid's Lantern.

{3}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

At the beginning of your end step, if you control seven or more lands, transform Thaumatic Compass.

(Transforms from Thaumatic Compass.)

{T}: Add {C}.

{T}: Untap target attacking creature an opponent controls and remove it from combat.

Whenever you cast a Spirit or Arcane spell, target opponent loses 1 life and you gain 1 life.

Soulshift 2 (When this creature dies, you may return target Spirit card with mana value 2 or less from your graveyard to your hand.)

Each land is a Swamp in addition to its other land types.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.